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For the Inventor, By the Inventor

Esslingen, Germany

Firma J. Eberspacher


USPTO Granted Patents = 3

Forward Citations = 145

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2 inventors (with patents filed for the assignee):

goldMedal Robert F Wilson (2 out of 6 patents)

silverMedal Herbert Langen (1 out of 14 patents)


3 patents:

1. 5456079 - Device for the thermal regeneration of particle filters for diesel (1995-10-10),
2. 5216338 - Circuit arrangement for accurately and effectively driving an ultrasonic (1993-06-01),
3. 5113116 - Circuit arrangement for accurately and effectively driving an ultrasonic (1992-05-12),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#23 in Esslingen

#8,427 in Germany

Esslingen, DE
Esslingen, Germany

Firma J. Eberspacher

Forward Citations = 145

2 inventors:

goldMedal Robert F Wilson (2 out of 6 patents)

silverMedal Herbert Langen (1 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Firma J. Eberspacher. Retrieved from https://idiyas.com/company/firma-j-eberspacher

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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